diff --git a/RabbitMqTest/OriginalTest.cs b/RabbitMqTest/OriginalTest.cs
index a40a948..3c6fc98 100644
--- a/RabbitMqTest/OriginalTest.cs
+++ b/RabbitMqTest/OriginalTest.cs
@@ -20,7 +20,7 @@ namespace RabbitMqTest
             using var channel = GetChannel();
             channel.QueueDeclare("hello",false,false,false,null);
             var consumer = new EventingBasicConsumer(channel);
-            consumer.Received+=(model,args) => {
+            consumer.Received += (model,args) => {
                 var msg = Encoding.UTF8.GetString(args.Body.ToArray());
                 Console.WriteLine($"Received message 1 {msg}");
                 //Assert.IsTrue(msg==smsg1 || msg==smsg2);
@@ -33,7 +33,7 @@ namespace RabbitMqTest
             //消费者2
             using var channel2 = GetChannel();
             var consumer2 = new EventingBasicConsumer(channel2);
-            consumer2.Received+=(model,args) => {
+            consumer2.Received += (model,args) => {
                 var msg = Encoding.UTF8.GetString(args.Body.ToArray());
                 Console.WriteLine($"Received message 2 {msg}");
                 //Assert.IsTrue(msg==smsg1||msg==smsg2);
@@ -71,7 +71,7 @@ namespace RabbitMqTest
             Console.WriteLine($"创建的临时队列名1:{queueName1}");
             channel1.QueueBind(queueName1,exchangeName,"",null);
             var consumer1 = new EventingBasicConsumer(channel1);
-            consumer1.Received+=(m,a) => {
+            consumer1.Received += (m,a) => {
                 var msgs = Encoding.UTF8.GetString(a.Body.ToArray());
                 Console.WriteLine($"Received message 1 {msgs}");
                 Assert.AreEqual(msgs,smsg);
@@ -87,7 +87,7 @@ namespace RabbitMqTest
             Console.WriteLine($"创建的临时队列名2:{queueName2}");
             channel2.QueueBind(queueName2,exchangeName,"",null);
             var consumer2 = new EventingBasicConsumer(channel2);
-            consumer2.Received+=(m,a) => {
+            consumer2.Received += (m,a) => {
                 var msgs = Encoding.UTF8.GetString(a.Body.ToArray());
                 Console.WriteLine($"Received message 2 {msgs}");
                 Assert.AreEqual(msgs,smsg);
@@ -114,7 +114,7 @@ namespace RabbitMqTest
             //消费者1
             using var channel1 = GetChannel();
             var consumer1 = new EventingBasicConsumer(channel1);
-            consumer1.Received+=(m,a) => {
+            consumer1.Received += (m,a) => {
                 var msgs = Encoding.UTF8.GetString(a.Body.ToArray());
                 Console.WriteLine($"Received message 1 {msgs}");
                 Assert.AreEqual(msgs,smsg);
@@ -129,7 +129,7 @@ namespace RabbitMqTest
             //消费者2
             using var channel2 = GetChannel();
             var consumer2 = new EventingBasicConsumer(channel2);
-            consumer2.Received+=(m,a) => {
+            consumer2.Received += (m,a) => {
                 var msgs = Encoding.UTF8.GetString(a.Body.ToArray());
                 Console.WriteLine($"Received message 2 {msgs}");
                 Assert.AreEqual(msgs,smsg);
@@ -138,5 +138,46 @@ namespace RabbitMqTest
 
         }
 
+        /// <summary>
+        /// 发送到exchange后，exchange需要确认.Confirm模式
+        /// </summary>
+        [TestMethod("exchangeConfirm")]
+        public void ExchangeConfirm() {
+            var exchangeName = "tempExchange";
+
+            var channel = GetChannel();
+            channel.ExchangeDeclare(exchangeName,ExchangeType.Fanout,false,true,null);
+            channel.ConfirmSelect();
+            channel.BasicPublish(exchangeName,"",null,RandomMsgBytes());
+            if(channel.WaitForConfirms()) {
+                Console.WriteLine("交换机确认成功！");
+            }
+            else {
+                Console.WriteLine("交换机确认失败!");
+                Assert.Fail();
+            }
+        }
+
+        /// <summary>
+        /// 发送到exchange后，exchange需要确认.事务模式
+        /// </summary>
+        [TestMethod("exchangeTx")]
+        public void ExchangeConfirm2() {
+            var exchangeName = "tempExchange";
+
+            using var channel = GetChannel();
+            channel.ExchangeDeclare(exchangeName,ExchangeType.Fanout,false,true,null);
+            try {
+                channel.TxSelect();
+                channel.BasicPublish(exchangeName,"",null,RandomMsgBytes());
+                channel.TxCommit();
+                Console.WriteLine("交换机确认成功！");
+            }
+            catch(Exception ex) {
+                Console.WriteLine("交换机确认失败!");
+                Assert.Fail();
+            }
+        }
     }
+
 }
diff --git a/RabbitMqTest/RabbitmqBase.cs b/RabbitMqTest/RabbitmqBase.cs
index 6a0a157..1f300bd 100644
--- a/RabbitMqTest/RabbitmqBase.cs
+++ b/RabbitMqTest/RabbitmqBase.cs
@@ -34,6 +34,16 @@ namespace RabbitMqTest
             return sb.ToString();
         }
 
+        /// <summary>
+        /// 生成随机消息字节数组
+        /// </summary>
+        /// <param name="len"></param>
+        /// <returns></returns>
+        protected virtual Byte[] RandomMsgBytes(int len = 10) {
+            var str = RandomString(len);
+            return Encoding.UTF8.GetBytes(str);
+        }
+
         /// <summary>
         /// 创建队列
         /// </summary>